Agriotypidae

Japanese: Agriotypidae

...Pilot parasitic wasps lay a much larger number of eggs than other species, which is related to the fact that many individuals die before reaching adulthood. The group of wasps that parasitize caddisflies, whose larvae live on the bottoms of lakes, marshes, and streams, was once thought to be an independent family of wasps, the Agriotypidae, but is now treated as a member of this family. [Setsya Momoi]...

From 【Mizubachi (water bee)】

…There are three species in the same genus that live in a similar way. In addition to this species found in Japan, there is one species found in Europe and one species found in the Himalayan region. The genus Agriolus is sometimes treated as an independent family, the Agriolypidae. [Setsya Momoi]. …

*Some of the terminology that mentions "Agriotypidae" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…便乗型の寄生バチでは，成虫になるまでに死ぬ個体が多いことと関連して産卵数が他の種類に比べて格段に多い。湖沼，渓流などの水底で幼虫時代を送るトビケラ類に寄生するミズバチのグループは，独立したミズバチ科Agriotypidaeとして考えられていたが，現在ではこの科の一員として扱われている。【桃井節也】。…